baber/WOPTO huggingface dataset:
Patent GB-1086564-A (GB)
Title: Translucent insulating plate body, in particular heat-insulating window pane, made of synthetic material, and method for its manufacture
IPC: E04C2/54
Filed: 1964-02-06
Abstract: 1,086,564. Laminates. DEUTSCHE KAPILLPLASTTK G.m.b.H. & CO. Feb. 6, 1964 [March 20, 1963 (2); June 26, 1963], No. 43812/63. Heading B5N. [Also in Divisions E1 and F2] A translucent panel, e.g. a window pane, with heat and/or sound insulating properties, comprises a core layer 1 of hollow, translucent, thermoplastic threads arranged perpendicular to the plane of the panel, layers 2a, 2b of plastics material, preferably of the same material as the threads, and surface layers 3a, 3b of glass-fibre reinforced synthetic resin. The edges of the panels may be provided with profiled inserts 4 and abutting panels may be joined by means of a hardenable sealing cement or a plastics or metal strip 5. In Fig. 3, not shown, the core is formed of two separate layers (4, 5) of the same or different thickness and/or thread diameter with an air-gap therebetween, the air-gap being defined by spacers (6) formed of the hollow threads. The layers (4, 5) may have thicker zones of larger diameter threads, the thicker zones of one layer facing thinner zones of the other layer. In Fig. 4, each layer of the core has thick portions 4 formed of large diameter threads and thin portions formed of small diameter threads, the thick portions of the two layers overlapping to define an air gap. A substance may be admixed with the surface layer exposed to the weather to give it stable light dispersion characteristics, and the layers 2a, 2b may be of fire-resistant resin. The inner or outer surface layer 2a, or 3a may be provided with a vaporized gold layer to reflect heat rays; alternatively, a metal powder or a lead salt of an organic acid may be admixed in the surface layer facing the rays. In making, hollow threads obtained in a melt spinning process and surface-fused are cut perpendicularly to the direction of stretching to form the core. The films 2a, 2b are then applied by means of heated bars or rollers and the layers 3a, 3b are deposited in liquid form and hardened, the said films tending to act as an adhesive.
Patent GB-1436833-A (GB)
Title: Density and mass flow measurement of fluids
IPC: G01N9/00
Filed: 1974-10-09
Abstract: 1436833 Vibration densitometer MERESTECHNIKAI KOZPONTI KUTATO LABOBATORIUM 9 Oct 1974 43828/74 Addition to 1384899 Heading H4D The vibration densitometer of the parent Specification 1,384,899 (see Division G1) is modified in that the resonant structures are each in the form of a plate, which may be flat or curved.
Patent GB-1161807-A (GB)
Title: Improvements in or relating to High Pressure Ram and Cylinder Assemblies.
Inventor: CRAWLEY JOHN
IPC: F16J10/00
Filed: 1966-09-30
Abstract: 1,161,807. Cylinders; seals. VICKERS Ltd. 20 Dec., 1967 [30 Sept., 1966], No. 43922/66. Heading BT. A ram and cylinder assembly comprises sealing means 7 and 11 positioned respectively at opposite ends of a sleeve 6 inserted in the cylinder bore. The means 7 seals the ram 3 and comprises a sealing element 9 carried by a back-up ring 8 clamped between the sleeve 6 and a mitre ring 10 abutting a coned surface 5 of a shoulder 4 on the cylinder. The means 11 seals the joint between two adjoining concentric sections 1, 1a of the cylinder and is in the form of a ring having a cylindrical internal surface 12 and an outer surface 13 which tapers towards each end and engages a corresponding lead-in portion at each bore end. The sleeve 6 is fitted with 0-rings 14 and has radial perforations 15. The seal 7 may be of neoprene, p.t.f.e. or a combination of those materials.
Patent GB-891371-A (GB)
Title: Improved sewing machine tables
Inventor: NYSTROM GUNNAR
IPC: D05B75/02
Filed: 1959-12-31
Abstract: 891,371. Sewing machine stands. HUSQVARNA VAPENFABRIKS A.B. Dec. 31, 1959, No. 44472/59. Class 112 [Also in Group XIV] A sewing machine table with L-shaped top and supporting legs 10, 11, 12 has an aperture 9 to receive the base-plate of a sewing machine. If the machine is foot-driven the table top has bearing arms 16, with cross-pieces 17, to support an iron frame for the foot-drive. In a modification, Fig. 4, for a machine having an exposed cloth arm, table top part 1 has an aperture 20 extending to side edge 8 of which part can be closed by a filling member 21 slidable in grooves 22 and a bearing plate 24 for the machine is secured below aperture 20 by brackets 23. In order that a flap on the cloth arm may be opened to change the reel the table top has a recess 26. Part 21 may be made in one piece with the table top part 1 and that part of the top disposed before aperture 20 made upwardly hingeable.
Patent GB-1509487-A (GB)
Title: Gas panel display devices
IPC: H01J17/49
Filed: 1976-10-26
Abstract: 1509487 Gas panel display device INTERNATIONAL BUSINESS MACHINES CORP 26 Oct 1976 [8 Jan 1976] 44528/76 Heading H1D In a gas panel display device comprising orthogonal sets of conductors, metallic spacers 33, 35, 37, e.g. of Ni, are positioned on predetermined conductors 23, 25, 30, of either set, at non-display locations. The spacers may have a rectangular, e.g. square or circular vertical cross-section (Fig. 1, not shown) and be less wide than the conductors. Pairs of halfspacers may be positioned opposite one another on the plates 3, 5. The spacers may be covered by a dielectric layer 41.
Patent GB-1057388-A (GB)
Title: Improvements in apparatus which is subjected during use to high temperature
IPC: C04B35/01
Filed: 1963-11-13
Abstract: 1,057,388. Melting furnace joints; burners. ALLM€NNA SVENSKA ELEKTRISKA A.B. Nov. 13, 1963 [Nov. 23, 1962], No. 44768/63. Headings F4B and F4T. A heat-resistant composition forming a joint between two refractory parts subject to high temperatures comprises at least 85% by weight of magnesium and chromic oxides of which at least 90% by weight are combined as magnesium chromite (MgO.Cr 2 O 3 ). The composition should contain not more than 6% of either of the free oxides and also not more than 3% of alumina and ferric oxide or 2% silica, the sum of these impurities not exceeding 6%. It should contain 20-70% by weight of particles having a grain size substantially equal to the joint thickness, the remainder being preferably below about a quarter this size. Suitable binders, which should not exceed 9% by weight, include ethylhydroxyethyl cellulose, carboxymethyl cellulose, methyl cellulose, polyvinyl compounds, starch, dextrin, melamine resins, urea resins and ester resins. The composition 17 is shown applied between a melting or holding furnace 7 and a channel type inductor unit 1 whose respective linings 8 and 5 may be neutral, basic or acidic in character and mutually different. The outer furnace casing 11 is supported by an annular plate 12 formed with a wall 14 defining a draining channel 16 and incorporating a cooling ring 13. The inductor unit 1 also incorporates cooling pipes 20 attached by lugs 21 to its casing 6. The invention is also said to be applicable to exchangeable burner heads, measuring instrument inserts, inspection openings and sealing furnace doors.
Patent GB-972781-A (GB)
Title: Coupling element for totally-enclosed switchgear
IPC: H02B13/045
Filed: 1961-12-14
Abstract: 972,781. Switchgear structures. BROWN, BOVERI & CO. Ltd. Dec. 14, 1961 [Dec. 16, 1960], No. 44793/61. Heading H2B. A tubular cover 5 between two bar casings 1, 2 has flanges 5a, 5b sealed to flanges 1a, 7a and can be moved for access to the connection between bus-bars 3, 4 in telescoping manner over the casing 1. The flange 7a is part of an extension secured to the casing 2 and having an insulator 10 supporting the bus-bar 4. A similar arrangement may allow access to the contacts of L-junction or T-junction isolators (Figs. 3 and 4, not shown). In Fig. 5 the flanges are omitted and the cover 28 has rings 26, 27 secured to its edges on the outside of projecting ridges 22a, 23a of the casings 22, 23. The cover 28 holds semi-cylindrical ports 29, 29a between the casings 22, 23 and sealing means 30 ... 33 are provided.
Patent GB-1015450-A (GB)
Title: Jet nozzle
Inventor: COLVILLE FRANCIS JEFFREY
IPC: F02K1/08
Filed: 1964-11-06
Abstract: 1,015,450. Jet propulsion nozzles. ROLLSROYCE Ltd. Nov. 6, 1964, No. 45424/64. Heading F1J. A jet nozzle comprises a substantially cylindrical outer casing within which is mounted an inner body which is spaced from the outer casing by an annular space through which jet gases may flow, the inner body having one or more movable parts, there being means for moving the movable part or parts with respect to the remainder of the inner body so as to vary the shape of the annular space. Means are provided for reducing or eliminating any unbalanced loads on the or each movable part do to pressure difference thereacross so as to minimise the force required to move the latter. The assembly shown in Fig. 2 comprises a jet pipe 14 and an inner body 20 secured therein by means of struts 22 so as to define an annular passage 21 for the flow of jet gases. A cylindrical casing 15 is mounted on the jet pipe and is movable from the position shown in Fig. 2 which defines a convergent jet nozzle to a position downstream thereof so as to define a convergent-divergent jet nozzle. A tubular member 30 is disposed within the inner member 20 being supported at its downstream end by a frusto-conical wall 31 which divides the space within the member 20 into two compartments 32, 33, atmospheric air passing through the struts 22 and tubular member 30 into the compartment 33 for cooling purposes, the air finally discharging through outlet 34. A part of the member 20 is constituted by flaps 23, 24 which are pivotally mounted at their upstream and downstream ends respectively, the adjacent ends being connected by linkage 26 to a sleeve member 27 slidably mounted on the tubular member 30. The sleeve member is movable by means of a cross-piece 35 and linkage 37, 40, 41 whereby the parts 23, 24 may be moved so as to vary the shape of the inner member and thus the shape of the annular flow passage 21. The movable members may be spaced apart at 45 so that the pressure within the compartment 32 may be equalised with that in the annular passage 21. In Fig. 3 the movable flaps 23, 24 are sealed where they adjoin and the compartment 32 is supplied with air or gas under pressure through duct 50 in which is disposed a control valve 61. The valve 61 is controlled in dependence on the position of a movable fulcrum 54 of the flap adjusting linkage. The air or gas under pressure in the chamber 32 discharges through line 51 to an ejector device 52 which assists the flow of atmospheric air into the compartment 33.
Patent GB-1487388-A (GB)
Title: Production of voltage dependent resistor bodies and resistors incorporating same
IPC: H01C7/112
Filed: 1974-10-21
Abstract: 1487388 Zinc oxide containing bodies; varistors MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 21 Oct 1974 [19 Oct 1973] 45509/74 Headings ClA and C1J [Also in Division H1] Voltage dependent resistors bodies (varistors) are obtained by first heating zinc powder at 500 -1000‹ C. and thereafter mixing the zinc oxide with at least one "additive", pressing the mixture to form a coherent body and sintering the body. The "additive" must be capable of imparting a voltage dependent resistance characteristic to the sintered body. Additives are exemplified by the oxides of Bi, Co, Mn, Sb, Ba, Sr, Pb, Sn, Cr, Ni, Si, Ti and B.
Patent GB-1309439-A (GB)
Title: Apparatus for separating stacked flat articles and feeding them one  at a time to a machine in which a subsequent operation can be  performed on them
IPC: B65B43/18
Filed: 1970-09-24
Abstract: 1309439 Feeding sheets; and collapsed bags HAVER & BOECKER 24 Sept 1970 [24 Sept 1969] 45649/70 Headings B8C and B8R An apparatus for separating flat articles from a pile 11 and feeding them to a subsequent machine comprises a magazine having a floor 2, e.g. inclined to the horizontal, on which articles, e.g. bags, can be piled, one on top of another, a separating device, e.g. resiliently mounted suction cups on arms 20, or grippers on arms 20 and suction cups on one arm 17 of a two-armed lever, which device separates the uppermost articles one at a time from the top of the stack and orients them substantially vertically, a feed height adjusting device 43, e.g. vertically movable grippers 44, (45), Fig. 6 (not shown), for receiving vertically oriented articles from the separating device and adjusting them to a desired height, e.g. as determined by a sensor finger 50, and a conveyer, e.g. gripper chains 39, 40, for receiving the articles at said height and conveying them to the machine. The magazine may be raised by a chain drive via rollers 4, 5 as the pile is consumed as detected by the twoarmed lever, the other arm 17<SP>1</SP> of which operates a switch 15, the lever being moved clear of the pile when the separating arms 20 are actuated. A number of reserve magazines may be provided, being driven into operative position by a chain drive 30. The magazine floor may have a hinged portion (35), Fig. 3 (not shown), to facilitate location of the bags, e.g. side folded bags, the folds being held together by glue spots (37a), Fig. 4 (not shown), into a neat pile. Alternatively, piles may be located in magazines formed by upright guides on a conveyer. Different types of bags may be located in each magazine, a control system being used to control the sequence in which each magazine is moved into operative position.
Patent GB-1413822-A (GB)
Title: Process control systems
IPC: G05D5/03
Filed: 1972-10-04
Abstract: 1413822 Automatic control systems INDUSTRIAL NUCLEONICS CORP 4 Oct 1972 [14 Oct 1971] 45834/72 Heading G3R In a system for controlling a process in response to the difference between a measured parameter and a reference value, the reference value is automatically adjusted so that the fraction (i.e.  percentage) of reject material is kept at a set amount (chosen to be the most economic reject rate for the process). In the embodiment the basis weight of paper sheets is measured by a beta radiation gauge 14. The weight distribution of the individual sheets follows curve 46, Fig. 3, but because of background noise the output of the gauge follows curve 44. Because of this, for a desired defect limit (minimum permissible weight) XFDA, set at 30, a corrected value XFD is calculated at 28 such that the area under curve 44 to the left of line 52 Fig. 3 is equal to the area under 46 to the left of 50. This area represents the fraction (or percentage) of defective sheets. The calculation is made to a given formula using XFDA, the average value 48 computed at 54, the standard deviation # of the process (and noise) computed at 56 and #r which is the standard deviation of the random noise (normally a constant set at 58). The computed value XFD is compared at 26 with the signals from gauge 14 and the difference used at 24 to compute the fraction defective FD, which may be done by comparing the number of sheets below and above the limit XFD. The value # is calculated according to a given formula using the average value from 54, XFD and FD. # and FD are used in a "deviation computer" 60 to derive X#, which is the deviation of the average value from the defect limit, again using a given formula. A similar value XI is calculated at 62 from # and a set value FDSP for the fraction defective, and the difference between XI and X# is derived at 66 and is periodically fed as an error E# to a summing device 70, which algebraically sums the errors and whose output varies the reference value for process controller 18, possibly after the addition of a bias 72. The various computations are initiated periodically and in the correct order by a programmer 74, and a flow diagram for this is given. The value # is not re-computed unless the process has settled to "steady state" operation; this is determined at 76 according to a given value, using previous and present average values. The set value FDSP is calculated by a computer using a formula which includes terms corresponding to the gain and loss resulting from a 1% change in the controller set point. The contents of the various boxes is not disclosed but reference is made to relevant British Specifications.
Patent GB-1015695-A (GB)
Title: Method of fabricating spirally wound pin connectors
Inventor: PHILLIPS DELBERT LAURANCE
IPC: H01R13/02
Filed: 1962-12-04
Abstract: 1,015,695. Making electric couplings; welding by fusion; forging; untwisting. NEW TWIST CONNECTOR CORPORATION. Dec. 4, 1962, No. 45846/62. Headings B3A, B3E, B3H and B3R. [Also in Divisions H1 and H2] An electrical plug pin is made from a short length of stranded copper wire by crimping one end into a ferrule 30 using a fluted die, Fig. 33 (not shown); trimming the lower end, Fig. 32 (not shown); fusing the strands at the other end by discharging capacitors (see Division H2) to strike an arc between a gold electrode 176 and the pin; and partially untwisting the strands either by placing the end in a die 180, Fig. 36, and striking it with a member 185 driven at high velocity by discharging a capacitor through a coil, Fig. 40 (not shown), or by gripping the pin between two dies 200, 202, Fig. 41, and untwisting. A tapered pin may be formed by untwisting whilst confining the pin within a tapered die, Fig. 49 (not shown). The pin may be welded at both ends, Figs. 43, 44 (not shown).
Patent GB-1162983-A (GB)
Title: Armoured Conveyor End-Sections for Use in Longwall Mining Systems
Inventor: DICKINS ARTHUR
IPC: E21C35/12
Filed: 1965-10-29
Abstract: 1,162,983. Mineface conveyers. COAL INDUSTRY (PATENTS) Ltd. 25 Oct., 1966 [29 Oct., 1965], No. 45920/65. Heading B8A. [Also in Division E1] A conveyer end section 7 for use in a longwall mineral-mining installation has an abutment surface 24 for detaining an underframe 14 supporting a mining machine 12 and a slideway 20 along which the machine 12 travels above the conveyer drive 6 associated with the end section to the end of a stable hole less longwall face after the underframe 14 abuts the end section 7.
Patent GB-958246-A (GB)
Title: Transistors and methods of making same
IPC: H01L27/07
Filed: 1960-05-06
Abstract: 958,246. Transistors. TEXAS INSTRUMENTS Inc. May 6, 1960 [May 6, 1959], No. 46087/63. Divided out of 958,242. Heading H1K. The subject-matter of this Specification is included in Specification 958,242, but the claims relate to a transistor comprising a semiconductor substrate forming an integral part of or bonded to a monocrystalline semi-conductor body. A collector region of P(N)-type in the body forms with an N(P)-type base region a PN-junction extending to one surface of the body and there defining a first enclosed area and an emitter region forms a second PN- junction with the base which extends to said surface and there defines a second enclosed area within the first. The base and emitter regions are formed by diffusion and ohmic contacts are provided on all three regions. Specifications 958,244, 958,245, 958,247, 958,248 and 958,249 also are referred to.
Patent GB-1313518-A (GB)
Title: Slide projectors
IPC: G03B23/06
Filed: 1970-08-20
Abstract: 1313518 Slide projectors BELL & HOWELL CO 20 Aug 1970 [23 Sept 1969] 46127/72 Divided out of 1313517 Heading G2A The subject-matter of this Specification is identical with that of the Specification 1313517 but claim 1 is directed to the means for mounting the cartridge containing stacked slides on the projector, and the loading platform for returning the slides to the cartridge.
Patent GB-1532806-A (GB)
Title: Microwave active resonant circuits
IPC: H03H11/04
Filed: 1975-11-07
Abstract: 1532806 Active filters LIGNES TELEGRAPHIQUES ET TELEPHONIQUES 7 Nov 1975 [29 Nov 1974] 46257/75 Heading H3U A microwave active resonant circuit comprises a passive resonant circuit formed by a capacitor 51 and one winding of a transformer 52, and a transistor 53 having the other winding of the transformer coupled to its emitter circuit, and a resonant circuit 60, 61 connected in its base circuit. The circuit parameters are such that the resistance looking into the emitter of the transistor is of maximum negative value at the resonant frequency of the circuit. The transformer may be constituted by strip lines. A filter may be formed by interconnecting two resonant circuits 65, 66 by a capacitor 68.
Patent GB-1083544-A (GB)
Title: Squeeze bag cotton-wool ball dispenser
IPC: B65D85/07
Filed: 1964-11-13
Abstract: 1,083,544. Packages; bags. JOHNSON & JOHNSON. Nov. 13, 1964 [Nov. 13, 1963], No. 46319/64. Headings B8C and B8K. A dispensing package for absorbent fibre balls comprises a bag of a flexible sheet material, preferably polyethylene film, having a dispensing opening therein so that a ball may be positioned beneath the opening by squeezing the bag. In a flexible bag formed from a single sheet, a removable part 19 bounded by perforations to define an opening is formed prior to filling. The bag is sealed after filling, the opposite seam 15 having a suspension hole 16 therein and being formed from four layers of the bag held in position by a heat seal 20. The balls, which are of uniform diameter greater than the diameter of the opening, are positioned under the opening and removed when required by squeezing the bag, four pressure relief valves 22 being provided in pairs at opposite comers of the bag. The valves are each formed by partially punching out a portion which acts as a flutter valve to prevent large particles entering the bag:
Patent GB-1329857-A (GB)
Title: Alloys
IPC: C22C18/04
Filed: 1970-09-29
Abstract: 1329857 Zinc base alloy BUDD CO 29 Sept 1970 [30Sept 1969] 46366/70 Heading C7A Zinc base alloy, suitable for precision casting, comprises: - the balance, apart from impurities and incidental ingredients, being Zn. Uses:- Moulding tools and especially such tools comprising an electroformed layer of Ni, Cu or Fe on a backing layer of the alloy.
Patent GB-1268737-A (GB)
Title: Improved electrical testing means
Inventor: NYLEN ROLAND
IPC: H04Q1/20
Filed: 1970-09-30
Abstract: 1,268,737. Probe assemblies. ALLMANNA SVENSKA ELEKTRISKA A.B. 30 Sept., 1970 [1 Oct., 1969], No. 46419/70. Heading H2E. Apparatus for testing relay coils etc. without prior switching of them out of their circuit comprises spring contact sets 10, 11, each set housed in an insulating box 3, with several boxes mounted as drawers in a frame (2, Fig. 1, not shown). Two terminals 16 are damped to each spring and the springs of a set may be separated by a pin inserted through a hole 4 in the contact box. Each-pin has an insulating central part 22 and an outer conducting layer 23 in which a gap 24 may be provided to separate the layer into two parts to insulate one contact 10 from the other 11 when the pin is inserted. A peg in the gap helps the spring contact to -slide over the gap. When the contact springs are pushed apart one 10 presses against an insulated stop 25, and the other presses against a switching piece 27 which is in the form of a conducting bar passing through a hole in the box 26 and into other boxes.  When testing a relay coil in which the current flows through both spring contacts 10, 11 and the coil 28 (Fig. 5a) normally, two pins are inserted (Fig. 5b) and the current by-passes the ;relay through the switching piece 27, allowing the relay to be tested through conductors 31, 32 attached to the pins, but not interrupting the current to subsequent relays. Several pins are held in a test handle (Fig. 3, not shown) and modifications to pins include providing a narrow gap (less than 1 mm.) across which a spark can jump to prevent excessive voltage build up (24, Fig. 4c) and a ridge (41, Fig. 4d) to guide the pin when inserting it.